v8::internal::MemoryBalancer Class Reference

#include <memory-balancer.h>

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Classes
class	SmoothedBytesAndDuration

Public Member Functions
	MemoryBalancer (Heap *heap, base::TimeTicks startup_time)
void	UpdateAllocationRate (size_t major_allocation_bytes, base::TimeDelta major_allocation_duration)
void	UpdateGCSpeed (size_t major_gc_bytes, base::TimeDelta major_gc_duration)
void	HeartbeatUpdate ()
void	RecomputeLimits (size_t embedder_allocation_limit, base::TimeTicks time)

Private Member Functions
void	RefreshLimit ()
void	PostHeartbeatTask ()

Private Attributes
Heap *	heap_
size_t	live_memory_after_gc_ = 0
size_t	embedder_allocation_limit_ = 0
std::optional< SmoothedBytesAndDuration >	major_allocation_rate_
std::optional< SmoothedBytesAndDuration >	major_gc_speed_
size_t	last_measured_memory_ = 0
base::TimeTicks	last_measured_at_
bool	heartbeat_task_started_ = false

Static Private Attributes
static constexpr double	kMajorAllocationDecayRate = 0.95
static constexpr double	kMajorGCDecayRate = 0.5

Detailed Description

Definition at line 23 of file memory-balancer.h.

Constructor & Destructor Documentation

MemoryBalancer()

v8::internal::MemoryBalancer::MemoryBalancer	(	Heap *	heap,
		base::TimeTicks	startup_time )

Definition at line 13 of file memory-balancer.cc.

Member Function Documentation

HeartbeatUpdate()

void v8::internal::MemoryBalancer::HeartbeatUpdate

(

)

Definition at line 83 of file memory-balancer.cc.

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PostHeartbeatTask()

void v8::internal::MemoryBalancer::PostHeartbeatTask ( )

private

Definition at line 99 of file memory-balancer.cc.

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RecomputeLimits()

void v8::internal::MemoryBalancer::RecomputeLimits	(	size_t	embedder_allocation_limit,
		base::TimeTicks	time )

Definition at line 16 of file memory-balancer.cc.

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RefreshLimit()

void v8::internal::MemoryBalancer::RefreshLimit ( )

private

Definition at line 26 of file memory-balancer.cc.

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UpdateAllocationRate()

void v8::internal::MemoryBalancer::UpdateAllocationRate	(	size_t	major_allocation_bytes,
		base::TimeDelta	major_allocation_duration )

Definition at line 71 of file memory-balancer.cc.

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UpdateGCSpeed()

void v8::internal::MemoryBalancer::UpdateGCSpeed	(	size_t	major_gc_bytes,
		base::TimeDelta	major_gc_duration )

Definition at line 60 of file memory-balancer.cc.

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Member Data Documentation

embedder_allocation_limit_

size_t v8::internal::MemoryBalancer::embedder_allocation_limit_ = 0

private

Definition at line 74 of file memory-balancer.h.

heap_

Heap* v8::internal::MemoryBalancer::heap_

private

Definition at line 59 of file memory-balancer.h.

heartbeat_task_started_

bool v8::internal::MemoryBalancer::heartbeat_task_started_ = false

private

Definition at line 84 of file memory-balancer.h.

kMajorAllocationDecayRate

double v8::internal::MemoryBalancer::kMajorAllocationDecayRate = 0.95

staticconstexprprivate

Definition at line 53 of file memory-balancer.h.

kMajorGCDecayRate

double v8::internal::MemoryBalancer::kMajorGCDecayRate = 0.5

staticconstexprprivate

Definition at line 54 of file memory-balancer.h.

last_measured_at_

base::TimeTicks v8::internal::MemoryBalancer::last_measured_at_

private

Definition at line 83 of file memory-balancer.h.

last_measured_memory_

size_t v8::internal::MemoryBalancer::last_measured_memory_ = 0

private

Definition at line 82 of file memory-balancer.h.

live_memory_after_gc_

size_t v8::internal::MemoryBalancer::live_memory_after_gc_ = 0

private

Definition at line 63 of file memory-balancer.h.

major_allocation_rate_

std::optional<SmoothedBytesAndDuration> v8::internal::MemoryBalancer::major_allocation_rate_

private

Definition at line 77 of file memory-balancer.h.

major_gc_speed_

std::optional<SmoothedBytesAndDuration> v8::internal::MemoryBalancer::major_gc_speed_

private

Definition at line 78 of file memory-balancer.h.

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The documentation for this class was generated from the following files:

• src/heap/memory-balancer.h
• src/heap/memory-balancer.cc